4.0.0 (#1513)

With emscripten-releases revisions:

https://chromium.googlesource.com/emscripten-releases/+/3ebc04a3dab24522a5bf8ced3ce3caea816558f6
(LTO)

https://chromium.googlesource.com/emscripten-releases/+/912ac2d711bb343205f314564ed287d883a7d888
(asserts)

bazel/revisions.bzl

@@ -2,6 +2,13 @@
 # DO NOT MODIFY
 
 EMSCRIPTEN_TAGS = {
+    "4.0.0": struct(
+        hash = "3ebc04a3dab24522a5bf8ced3ce3caea816558f6",
+        sha_linux = "6836988f0b7ee6ce3df5192dd4375b9eee55be78847ce31cf1d2abfb00f1e991",
+        sha_mac = "4123e9ff6a699dac303c4fe22529ae0d618c118fcd8267df590363b0fc98c91d",
+        sha_mac_arm64 = "4b5fb7cc4f5f8526aaa41c8560a00ad6782b97cd3894d856beb635f05a825613",
+        sha_win = "6b1e5aee4b4a4274712566c845888bdf4eced09a5aaa64c1796cda57cd2854c4",
+    ),
     "3.1.74": struct(
         hash = "c2655005234810c7c42e02a18e4696554abe0352",
         sha_linux = "a987bb4cded4f29437e8589accac204ce3c134feaaaf251bb97d0fdf450dce65",

bazel/test_secondary_lto_cache/WORKSPACE

@@ -25,6 +25,7 @@ register_emscripten_toolchains(cache = {
         "libcompiler_rt",
         "libc++-noexcept",
         "libc++abi-debug-noexcept",
-        "libsockets"
+        "libsockets",
+        "libdlmalloc-debug"
     ]
 })

emscripten-releases-tags.json

@@ -1,6 +1,6 @@
 {
   "aliases": {
-    "latest": "3.1.74",
+    "latest": "4.0.0",
     "latest-sdk": "latest",
     "latest-arm64-linux": "latest",
     "latest-64bit": "latest",
@@ -10,6 +10,8 @@
     "latest-releases-upstream": "latest"
   },
   "releases": {
+    "4.0.0": "3ebc04a3dab24522a5bf8ced3ce3caea816558f6",
+    "4.0.0-asserts": "912ac2d711bb343205f314564ed287d883a7d888",
     "3.1.74": "c2655005234810c7c42e02a18e4696554abe0352",
     "3.1.74-asserts": "88e95307accc1f4b247b86b7a0c0e6beaf07f844",
     "3.1.73": "b363a836e75a245c548b7a6a021822d8c9e4c6df",